Function process_command

src/engine/debugger.cpp:2643–2698

Parses a single command into whitespace separated tokens, and runs it. */

/* Parses a single command into whitespace separated tokens, and runs it. */
static int process_command( char * line )
{
    int result;
    size_t capacity = 8;
    char * * buffer = (char **)malloc( capacity * sizeof( char * ) );
    char * * current = buffer;
    char * iter = line;
    char * saved = iter;
    *current = iter;
    for ( ; ; )
    {
        /* skip spaces */
        while ( *iter && isspace( *iter ) )
        {
            ++iter;
        }
        if ( ! *iter )
        {
            break;
        }
        /* Find the next token */
        saved = iter;
        if ( *iter == '\"' )
        {
            saved = ++iter;
            /* FIXME: handle escaping */
            while ( *iter && *iter != '\"' )
            {
                ++iter;
            }
        }
        else
        {
            while ( *iter && ! isspace( *iter ) )
            {
                ++iter;
            }
        }
        /* resize the buffer if necessary */
        if ( current == buffer + capacity )
        {
            buffer = (char**)realloc( (void *)buffer, capacity * 2 * sizeof( char * ) );
            current = buffer + capacity;
        }
        /* append the token to the buffer */
        *current++ = saved;
        /* null terminate the token */
        if ( *iter )
        {
            *iter++ = '\0';
        }
    }
    result = run_command( int(current - buffer), (const char **)buffer );
    free( (void *)buffer );
    return result;
}

static int read_command( void )